partial answers

[Bernhard Stopper]

Hi Allen,

the wave is travelling in 2 directions on the string.
the odd partials came from the reflections on one side, and the even 
ones from the other.

regards,

Bernhard Stopper


Allan Gilreath, RPT schrieb:
>
> Good morning folks,
>
> I had a question from my apprentice that someone on the list may be 
> able to help me with. We all know that vibrating strings divide up 
> into segments with lengths approximately equal to fractional portions, 
> i.e. ½, 1/3, ¼, 1/5, 1/6, etc. (we’re not even taking inharmonicity 
> into account at this level.) His question is, “Why does the string 
> divide into all of the different available fractional segments and not 
> just even multiples of two?” I was hoping for a much better answer 
> than just, “Because it does” but Benade, Helmholtz and Rayleigh, the 
> best I can tell, all assume this to be a fact and I don’t really find 
> the “why.”
>
> Any thoughts?
>
> Allan
>
> Allan L. Gilreath, RPT
>
> Registered Piano Technician
>
> *Allan Gilreath & Associates, Inc.*
>
> /The Piano Experts/
>
> PO Box 1133 - Calhoun, GA 30703
>
> 2612 Hwy 41 S - Calhoun, GA 30701
>
> allan at allangilreath.com - www.allangilreath.com
>
> phone 706 602-7667 - fax 706 602-0979
>